Selectivity of diphenyl-ether herbicides with postemergence applications in chickpea
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Department of Crop Science, Institute Federal Goiano, Urutaí, Brazil
Department of Crop Science, University of São Paulo, College of Agriculture “Luiz de Queiroz”, Piracicaba, Brazil
Department of Horticultural Sciences, Embrapa Hortaliças, Brasília, Brazil
A - Research concept and design; B - Collection and/or assembly of data; C - Data analysis and interpretation; D - Writing the article; E - Critical revision of the article; F - Final approval of article
Lucas da Silva Araújo   

Department of Crop Science, University of São Paulo, College of Agriculture “Luiz de Queiroz”, Piracicaba, Brazil
Online publish date: 2019-10-02
Submission date: 2019-02-11
Acceptance date: 2019-08-26
Journal of Plant Protection Research 2019;59(3):350–354
There are few reports in literature about the selectivity of postemergence application of herbicides for the control of eudicotyledon weeds (broadleaf) in chickpea. For this reason, the aim of this study was to investigate the selectivity of diphenyl-ether herbicides in chickpea influenced by the herbicides and application rates. A field experiment was conducted from February to June 2017 in Urutaí, state of Goiás, Brazil. Cultivar BRS Aleppo was used in the experiment. The experiment was set up in a randomized block design with 2 × 3 + 1 factorial arrangement and three replications. The first factor was herbicides (fomesafen and lactofen) with the second factor being herbicide rate (50, 75, and 100% of referenced rate) plus an untreated check as a comparison. The applied rates of herbicides were 250 and 180 g ⋅ ha–1 of fomesafen and lactofen, respectively. The selectivity of herbicides was evaluated according to agronomic characteristics (plant population, height, dry matter, number of pods per plant and 100-grain weight) and yields. Both herbicides, regardless of dosage, were selective in chickpea cultivation, even exhibiting leaf necrosis symptoms with visible injuries below 20% with no effect on yield.
The authors wish to thank Embrapa Hortaliças for providing chickpea seeds for the conduction of the experiment.
The authors have declared that no conflict of interests exist.
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